diff --git a/org-roam-buffer.el b/org-roam-buffer.el
index c4df649..c8e5e41 100644
--- a/org-roam-buffer.el
+++ b/org-roam-buffer.el
@@ -48,6 +48,7 @@
 
 (declare-function org-roam-db--ensure-built   "org-roam-db")
 (declare-function org-roam-db--get-title      "org-roam-db")
+(declare-function org-roam-db-has-file-p      "org-roam-db")
 (declare-function org-roam--extract-refs      "org-roam")
 (declare-function org-roam--extract-titles    "org-roam")
 (declare-function org-roam--get-backlinks     "org-roam")
@@ -251,7 +252,8 @@ This needs to be quick or infrequent, because this is run at
     (when (and (or redisplay
                    (not (eq org-roam-buffer--current buffer)))
                (eq 'visible (org-roam-buffer--visibility))
-               (buffer-file-name buffer))
+               (buffer-file-name buffer)
+               (org-roam-db-has-file-p (buffer-file-name buffer)))
       (setq org-roam-buffer--current buffer)
       (org-roam-buffer-update))))
 
diff --git a/org-roam-db.el b/org-roam-db.el
index 54f6ff8..9431182 100644
--- a/org-roam-db.el
+++ b/org-roam-db.el
@@ -395,6 +395,13 @@ Return the number of rows inserted."
       0)))
 
 ;;;;; Fetching
+(defun org-roam-db-has-file-p (file)
+  "Return t if FILE is in the database, nil otherwise."
+  (> (caar (org-roam-db-query [:select (funcall count) :from files
+                              :where (= file $s1)]
+                              file))
+     0))
+
 (defun org-roam-db--get-current-files ()
   "Return a hash-table of file to the hash of its file contents."
   (let* ((current-files (org-roam-db-query [:select * :from files]))